In one of the most ambitious attempts yet to thwart Alzheimer's disease, a major study got underway Monday to see if an experimental drug can protect healthy seniors whose brains harbor silent signs that they're at risk.

President Mahinda Rajapakse led celebrations at a major victory parade Sunday to mark the fifth anniversary of the end of Sri Lanka's Tamil separatist war, as commemorations for its victims were blocked.

Mark Matulaitis holds out his arms so the Parkinson's specialist can check his tremors. But this is no doctor's office: Matulaitis sits in his rural home as a neurologist a few hundred kilometers away examines him via the camera in his laptop.